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National Stock Number:
5306-00-348-3928
Federal Supply Class:
5306
National Item Identification Number:
003483928
Description:
BOLT,EXTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
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Manufacturer Information:
| 5182 | 81850 | UTILITIES SERVICE CO SUB OF LEHIGH STRUCTURAL STEEL CO | | 6110 | 74140 | OLIVER IRON AND STEEL CORP | | 9810 | 20117 | HUBBARD AND COMPANY | | 8810 | 24446 | GENERAL ELECTRIC COMPANY | | 9326 | 36375 | MCGRAW-EDISON POWER SYSTEM DIV | | 8810 | 75638 | NGK-LOCKE INC. | | J8810 | 74999 | JOSLYN CORP | | M510 | 98602 | ELECTRICAL MFG CO |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 5.750 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 9.875 INCHES MINIMUM AND 10.125 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.562 INCHES NOMINAL | | HEAD HEIGHT | 0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM | | HEAD STYLE | SQUARE | | MATERIAL | STEEL COMP M1023 OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | SPECIAL FEATURES | FURNISHED W/1 SQUARE NUT | | WIDTH BETWEEN FLATS | 0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.000 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 11 | | THREAD SERIES DESIGNATOR | UNC |
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